Sindoh M611 - Manual (Page 200)

Settings and Changes of Each Function
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2 In this password change menu, you can change the Administrator password which should be entered
when accessing to the administrator mode.
Address Book
You can print address book and back up or restore it to USB.
Using Control Panel
1 Press 【Address Book】 after accessing to the Administrator menu.Press 【Print】 to print Address Book.
2 The window, then, returns to the home screen.
3 Press 【Backup】 after connecting USB to the machine. A popup window appears and ask whether to back
up.
4 Press 【Backup】 to back up the address book in USB. The file name is address.bak.
5 After connecting USB which includes address.bak, press 【Restore】 to restore the address book.